diff --git a/src/authd.cr b/src/authd.cr
index e01350e..2b4d0b6 100644
--- a/src/authd.cr
+++ b/src/authd.cr
@@ -21,28 +21,8 @@ class Baguette::Configuration
 	end
 end
 
-module AuthD
-	class Exception < ::Exception
-	end
-
-	class UserNotFound < ::Exception
-	end
-
-	class AuthenticationInfoLacking < ::Exception
-	end
-
-	# Not used for now.
-	class NotLoggedException < ::Exception
-	end
-
-	# Not used for now.
-	class AuthorizationException < ::Exception
-	end
-
-	# Not used for now.
-	class AdminAuthorizationException < ::Exception
-	end
-end
+# Requests and responses.
+require "./exceptions"
 
 # Requests and responses.
 require "./network"
diff --git a/src/exceptions.cr b/src/exceptions.cr
new file mode 100644
index 0000000..f2f0a08
--- /dev/null
+++ b/src/exceptions.cr
@@ -0,0 +1,13 @@
+module AuthD
+	class Exception < ::Exception
+	end
+
+	class UserNotFound < ::Exception
+	end
+
+	class AuthenticationInfoLacking < ::Exception
+	end
+
+	class AdminAuthorizationException < ::Exception
+	end
+end
diff --git a/src/main.cr b/src/main.cr
index 4757f26..4d925fd 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -29,8 +29,6 @@ class Baguette::Configuration
 	end
 end
 
-require "./network"
-
 # Provides a JWT-based authentication scheme for service-specific users.
 class AuthD::Service < IPC::Server
 	property configuration   : Baguette::Configuration::Auth
@@ -94,15 +92,12 @@ class AuthD::Service < IPC::Server
 		rescue e : UserNotFound
 			Baguette::Log.error "#{request_name} user not found"
 			AuthD::Response::Error.new "authorization error"
-		rescue e : AuthorizationException
-			Baguette::Log.error "#{request_name} authorization error"
+		rescue e : AuthenticationInfoLacking
+			Baguette::Log.error "#{request_name} lacking authentication info"
 			AuthD::Response::Error.new "authorization error"
 		rescue e : AdminAuthorizationException
-			Baguette::Log.error "#{request_name} no admin authorization"
-			AuthD::Response::Error.new "admin authorization error"
-		rescue e : NotLoggedException
-			Baguette::Log.error "#{request_name} user not logged"
-			AuthD::Response::Error.new "user not logged"
+			Baguette::Log.error "#{request_name} admin authentication failed"
+			AuthD::Response::Error.new "authorization error"
 		rescue e
 			Baguette::Log.error "#{request_name} generic error #{e}"
 			AuthD::Response::Error.new "unknown error"